// JavaScript Document
               function getWindowHeight() {
                       var windowHeight = 0;
                       if (typeof(window.innerHeight) == 'number') {
                               windowHeight = window.innerHeight;
                       }
                       else {
                               if (document.documentElement &&
document.documentElement.clientHeight) {
                                       windowHeight = document.documentElement.clientHeight;
                               }
                               else {
                                       if (document.body && document.body.clientHeight) {
                                               windowHeight = document.body.clientHeight;
                                       }
                               }
                       }
                       return windowHeight;
               }
               function setContent() {
                       if (document.getElementById) {
                               var windowHeight = getWindowHeight();
                               if (windowHeight > 0) {
                                       var contentElement = document.getElementById('container');
                                       var contentHeight = contentElement.offsetHeight;
                                       if (windowHeight - contentHeight > 0) {
                                               contentElement.style.position = 'relative';
                                               contentElement.style.top = ((windowHeight / 2) -
(contentHeight / 2)) + 'px';
                                       }
                                       else {
                                               contentElement.style.position = 'static';
                                       }
                               }
                       }
               }
               window.onload = function() {
                       setContent();
               }
               window.onresize = function() {
                       setContent();
               }